linux-kernel - Re: Upcoming: Notifications, FS notifications and fsinfo()

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Message-ID: <20200403154139.GA34867@gardel-login>
Date:   Fri, 3 Apr 2020 17:41:39 +0200
From:   Lennart Poettering <mzxreary@...inter.de>
To:     David Howells <dhowells@...hat.com>
Cc:     Miklos Szeredi <miklos@...redi.hu>, Ian Kent <raven@...maw.net>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>, dray@...hat.com,
        Karel Zak <kzak@...hat.com>,
        Miklos Szeredi <mszeredi@...hat.com>,
        Steven Whitehouse <swhiteho@...hat.com>,
        Jeff Layton <jlayton@...hat.com>, andres@...razel.de,
        keyrings@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, Aleksa Sarai <cyphar@...har.com>
Subject: Re: Upcoming: Notifications, FS notifications and fsinfo()

On Fr, 03.04.20 16:36, David Howells (dhowells@...hat.com) wrote:

> Lennart Poettering <mzxreary@...inter.de> wrote:
>
> > BTW, while we are at it: one more thing I'd love to see exposed by
> > statx() is a simple flag whether the inode is a mount point.
>
> Note that an inode or a dentry might be a mount point in one namespace, but
> not in another.  Do you actually mean an inode - or do you actually mean the
> (mount,dentry) pair that you're looking at?  (Ie. should it be namespace
> specific?)

yes, it should be specific to the mount hierarchy in the current namespace.

Lennart

--
Lennart Poettering, Berlin